| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 26 | |
| #2 | Spain | 3 | |
| #3 | Germany | 2 | |
| #4 | Canada | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Consumer goods | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Stamps | |
| #2 | Books | |
| #3 | Paper coating | |
| #4 | Typewriters | |
| #5 | Ticket-issuing devices | |
| #6 | Printing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tiefel Charles G | 10 |
| #2 | Todd Libanus M | 8 |
| #3 | Smith Burgess W | 3 |
| #4 | Johanson Magnus H | 2 |
| #5 | Payne Walter B | 2 |
| #6 | May Arthur C La | 2 |
| #7 | Paulson Charles J | 2 |
| #8 | Simpson James E | 2 |
| #9 | Steele Herbert H | 1 |
| #10 | Cumpston Edward H Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1372323A | Check-protector | |
| US1379425A | Check-writer | |
| US1386383A | Check-writer | |
| US1454837A | Safety paper and method of making same | |
| US1400575A | Check-writer | |
| US1449453A | Safety paper for negotiable instruments and process for making same | |
| US1389214A | Check-writer | |
| US1389215A | Check-writer | |
| US1397118A | Check-writer | |
| US1255247A | Check-writer. | |
| US1252787A | Check-writer. | |
| US1302244A | Check-writing machine. | |
| US1331934A | Checkwriting-machine | |
| US1364962A | Check-writing machine | |
| US1335207A | Check-protector | |
| US1290409A | Check-printing machine. | |
| US1241570A | Attachment for check-writing machines. | |
| US1293986A | Check-writer. | |
| US1299521A | Checkwriter. | |
| US1240891A | Check-protector. |